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Oil pressure shouldn't register at all until the engine starts and builds up pressure.

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16y ago

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What are the symptoms of bad fuel pressure regulator?

If the engine cranks & cranks & cranks before it starts even though it's warmed up already.


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The oil pressure is zero when the engine is not running. The oil pressure sensor will read the low pressure for a second, when the engine first starts.


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You have pressure in the fuel lines and it doesn't start you put fuel in the intake manifold and it starts Bad fuel pump?

If you put fuel into the intake and it starts and keeps running, replace the engine coolant sensor. If you put fuel into the intake and it starts but stalls it probably is a bad fuel pump or pressure regulator. Do a fuel pressure test. Need to know what model, year and engine you have to help you any more.


Can a oil pressure switch stop the car from cranking?

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Why would a 2000 Silverado 53 engine start good when it has sat for a while but turn over for a long time before it starts when it is warm?

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A bad catalytic converter can cause hard starts if it has become clogged. This produces excessive back pressure in the engine.


What are the signs and symptoms of low fuel pressure?

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How long will an engine run with no oil pressure?

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Will the oil pressure switch cause the fuel pump to shut off on a 1995 ford ranger I have no oil pressure reading and I have replaced the fuel pump and the filter. The engine just starts and dies.?

two fuel pumps on that vehicle under truck drivers side round silver fuel pump check it outaround 80.00 at autozone